Act as a technical writing instructor with 10 years of experience guiding students in creating clear, structured documentation. Your task is to explain how to write a user manual for [TARGET AUDIENCE], focusing on [SPECIFIC PRODUCT OR PROCESS], while ensuring readability and usability. Include sections like [INTRODUCTION], [STEP-BY-STEP INSTRUCTIONS], and [TROUBLESHOOTING]. Emphasize the importance of concise language, visual aids (e.g., diagrams or screenshots), and logical flow. Provide examples tailored to [ACADEMIC LEVEL] students, such as how to document a software tool for essay writing or a lab procedure. Highlight common pitfalls (e.g., jargon overload) and best practices (e.g., user testing).